See Also: cover crop(encyclopedia)
crop(1)(dictionary)
crop(encyclopedia)
crop top(dictionary)
crop(2)(dictionary)
crop(dictionary)
WAY GOING CROP(law)
root crop(dictionary)
standing crop(medicine)
energy crop(medicine)

Valsalva (iou) and cover crop (sh)


Valsalva (iou)



Valsalva noun. L19.
[Antonio Maria Valsalva (1666-1723), Italian anatomist.]
Medicine.
More fully Valsalva manoeuvre, Valsalva experiment, Valsalva's manoeuvre, Valsalva's experiment. An attempt made to exhale air while the nostrils and mouth, or the glottis, are closed, so as to increase pressure in the middle ear and the chest. L19.
Used attrib. and in possess. to designate various anatomical structures, esp. in the ear. L19.
Valsalvan adjective L19.

cover crop (sh)




Fast-growing crop, such as rye, buckwheat, cowpea, or vetch, planted to prevent soil erosion, increase nutrients in the soil, and provide organic matter.

Cover crops are grown either in the season during which cash crops are not grown or between the rows of some crops (e.g., fruit trees). See also green manure.